Tomb of Nefertari (QV 66)
Image
Description:
Heart
Phonogram:
Sign No.:
F34
Date:
New KingdomRamesside
Type:
Tomb
Provenance:
Valley of the Queens, Thebes
Technique
Appearance:
FinishedPolychromeRelief
Colors:
BlackRedWhite
Stylistic notes:
The sign shows the cross-section of a heart, the muscle is colored red, the chambers and arteries white.
Color notes:
The sign is red with white markings and black outline.
Click to enlarge 
Image source:
The Tomb of Nefertari https://www.flickr.com/photos/manna4u/albums/72157680132968381